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WSP04480
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Last modified
1/26/2010 12:55:39 PM
Creation date
10/12/2006 12:22:50 AM
Metadata
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Template:
Water Supply Protection
File Number
8282.600.40
Description
Colorado River Annual Operating Reports
Basin
Colorado Mainstem
Date
7/1/1997
Author
USDOI/BOR
Title
Colorado River Reservoir Operation Status Reports Part 2
Water Supply Pro - Doc Type
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<br />The reservoir is now 3.5 feet from full. The water year the <br />reservoir was this full was 1986. <br /> <br />Open forum discussions on Flaming Gorge operations have been <br />taking place at meetings of the "Flaming Gorge Working Group". <br />The next Working Group meeting is scheduled for January 15 at 11 <br />am in Vernal, Ut. For more information on the Working Group, <br />contact Ed Vidmar at 801-379-1000. <br /> <br />ASPINALL - August unregulated inflow into Blue Mesa was 98,000 <br />acre-feet or about 148 percent of average. Precipitation during <br />the month was recorded at 150 percent of normal. Currently the <br />inflow rate into Blue Mesa Reservoir is about 1,100 cfs and <br />reservoir releases are averaging 2,200 cfs. Blue Mesa's present <br />elevation is 7513.3 feet with a storage content of 775,000 acre- <br />feet. <br /> <br />Releases from Crystal Dam are currently at 2,000 cfs. The <br />Gunnison Diversion Tunnel is presently taking about 700 cfs from <br />the river which leaves approximately 1,300 cfs in the Black <br />Canyon of the Gunnison. Reservoir releases from crystal have <br />increased sightly over last month's. This is primarily due to <br />the above normal water storage upstream in Blue Mesa Reservoir <br />and the need to draw the reservoir system down for the winter <br />season. <br /> <br />It should be noted that the large EI Nino event that is currently <br />being observed in the Pacific equatorial regions is predicted to <br />result in above average precipitation for the southwest this fall <br />season. Therefore, reservoir operational changes will probably <br />be required more frequently in the coming months. <br /> <br />The "Aspinall Unit Working Group" meeting was held August 21, <br />1997, in Gunnison, Colorado. At this meeting, review of last <br />spring operations, and plans for late summer and fall operations <br />were discussed. These meetings are open forum discussions on the <br />Aspinall Unit operations with many interested groups <br />participating. Anyone needing further information about these <br />meetings should contact Ed Warner in the Grand Junction Area <br />Office at (970) 248-0654. <br /> <br />NAVAJO - August unregulated inflow into Navajo Reservoir was <br />about 89,000 acre-feet or approximately 160 percent of average. <br />The current reservoir inflow is about 650 cfs and the water <br />surface elevation is at 6069.7 feet which corresponds to a <br />reservoir content of about 1,476,000 acre-feet. Reservoir <br />releases are currently at 600 cfs. This release is expected to <br />
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